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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// +build !gogit
package git
import ( "bufio" "io" "strings" )
// GetRefsFiltered returns all references of the repository that matches patterm exactly or starting with.
func (repo *Repository) GetRefsFiltered(pattern string) ([]*Reference, error) { stdoutReader, stdoutWriter := io.Pipe() defer func() { _ = stdoutReader.Close() _ = stdoutWriter.Close() }()
go func() { stderrBuilder := &strings.Builder{} err := NewCommand("for-each-ref").RunInDirPipeline(repo.Path, stdoutWriter, stderrBuilder) if err != nil { _ = stdoutWriter.CloseWithError(ConcatenateError(err, stderrBuilder.String())) } else { _ = stdoutWriter.Close() } }()
refs := make([]*Reference, 0) bufReader := bufio.NewReader(stdoutReader) for { // The output of for-each-ref is simply a list:
// <sha> SP <type> TAB <ref> LF
sha, err := bufReader.ReadString(' ') if err == io.EOF { break } if err != nil { return nil, err } sha = sha[:len(sha)-1]
typ, err := bufReader.ReadString('\t') if err == io.EOF { // This should not happen, but we'll tolerate it
break } if err != nil { return nil, err } typ = typ[:len(typ)-1]
refName, err := bufReader.ReadString('\n') if err == io.EOF { // This should not happen, but we'll tolerate it
break } if err != nil { return nil, err } refName = refName[:len(refName)-1]
// refName cannot be HEAD but can be remotes or stash
if strings.HasPrefix(refName, "/refs/remotes/") || refName == "/refs/stash" { continue }
if pattern == "" || strings.HasPrefix(refName, pattern) { r := &Reference{ Name: refName, Object: MustIDFromString(sha), Type: typ, repo: repo, } refs = append(refs, r) } }
return refs, nil }
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